diff -Naur mesa-11.1.2.orig/configure.ac mesa-11.1.2/configure.ac
--- mesa-11.1.2.orig/configure.ac	2016-02-10 15:57:54.000000000 -0800
+++ mesa-11.1.2/configure.ac	2016-03-09 13:27:47.979302937 -0800
@@ -681,6 +681,7 @@
 AC_CHECK_HEADER([sys/sysctl.h], [DEFINES="$DEFINES -DHAVE_SYS_SYSCTL_H"])
 AC_CHECK_FUNC([strtof], [DEFINES="$DEFINES -DHAVE_STRTOF"])
 AC_CHECK_FUNC([mkostemp], [DEFINES="$DEFINES -DHAVE_MKOSTEMP"])
+AC_CHECK_HEADER([execinfo.h], [DEFINES="$DEFINES -DHAVE_EXECINFO_H"])
 
 dnl Check to see if dlopen is in default libraries (like Solaris, which
 dnl has it in libc), or if libdl is needed to get it.
diff -Naur mesa-11.1.2.orig/src/gallium/auxiliary/util/u_debug_symbol.c mesa-11.1.2/src/gallium/auxiliary/util/u_debug_symbol.c
--- mesa-11.1.2.orig/src/gallium/auxiliary/util/u_debug_symbol.c	2016-01-17 23:39:26.000000000 -0800
+++ mesa-11.1.2/src/gallium/auxiliary/util/u_debug_symbol.c	2016-03-09 13:29:27.255060988 -0800
@@ -219,7 +219,7 @@
 #endif /* PIPE_OS_WINDOWS */
 
 
-#if defined(__GLIBC__) && !defined(__UCLIBC__)
+#if defined(HAVE_EXECINFO_H)
 
 #include <execinfo.h>
 
@@ -240,7 +240,7 @@
    return TRUE;
 }
 
-#endif /* defined(__GLIBC__) && !defined(__UCLIBC__) */
+#endif /* defined(HAVE_EXECINFO_H) */
 
 
 void
diff -Naur mesa-11.1.2.orig/src/mapi/glapi/gen/gl_gentable.py mesa-11.1.2/src/mapi/glapi/gen/gl_gentable.py
--- mesa-11.1.2.orig/src/mapi/glapi/gen/gl_gentable.py	2016-02-10 15:57:54.000000000 -0800
+++ mesa-11.1.2/src/mapi/glapi/gen/gl_gentable.py	2016-03-09 13:28:14.624506395 -0800
@@ -44,7 +44,7 @@
 #endif
 
 #if (defined(GLXEXT) && defined(HAVE_BACKTRACE)) \\
-	|| (!defined(GLXEXT) && defined(DEBUG) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__))
+	|| (!defined(GLXEXT) && defined(DEBUG) && defined(HAVE_EXECINFO_H))
 #define USE_BACKTRACE
 #endif
 
diff -Naur mesa-11.1.2.orig/src/mapi/glapi/glapi_gentable.c mesa-11.1.2/src/mapi/glapi/glapi_gentable.c
--- mesa-11.1.2.orig/src/mapi/glapi/glapi_gentable.c	2016-02-10 16:24:49.000000000 -0800
+++ mesa-11.1.2/src/mapi/glapi/glapi_gentable.c	2016-03-09 13:28:38.411688029 -0800
@@ -36,7 +36,7 @@
 #endif
 
 #if (defined(GLXEXT) && defined(HAVE_BACKTRACE)) \
-	|| (!defined(GLXEXT) && defined(DEBUG) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__))
+	|| (!defined(GLXEXT) && defined(DEBUG) && defined(HAVE_EXECINFO_H))
 #define USE_BACKTRACE
 #endif
 
diff -Naur mesa-11.1.2.orig/src/mesa/drivers/dri/i915/intel_regions.c mesa-11.1.2/src/mesa/drivers/dri/i915/intel_regions.c
--- mesa-11.1.2.orig/src/mesa/drivers/dri/i915/intel_regions.c	2016-01-17 23:39:26.000000000 -0800
+++ mesa-11.1.2/src/mesa/drivers/dri/i915/intel_regions.c	2016-03-09 13:30:18.483460168 -0800
@@ -57,7 +57,7 @@
  */
 #define DEBUG_BACKTRACE_SIZE 0
 
-#if DEBUG_BACKTRACE_SIZE == 0
+#if DEBUG_BACKTRACE_SIZE == 0 || !defined(HAVE_EXECINFO_H)
 /* Use the standard debug output */
 #define _DBG(...) DBG(__VA_ARGS__)
 #else